Updated ImGui.

3rdparty/dear-imgui/imgui.cpp

@@ -7995,7 +7995,9 @@ static void NavUpdateWindowingHighlightWindow(int focus_change_dir)
     g.NavWindowingToggleLayer = false;
 }
 
-// Window management mode (hold to: change focus/move/resize, tap to: toggle menu layer)
+// Windowing management mode
+// Keyboard: CTRL+Tab (change focus/move/resize), Alt (toggle menu layer)
+// Gamepad:  Hold Menu/Square (change focus/move/resize), Tap Menu/Square (toggle menu layer)
 static void ImGui::NavUpdateWindowing()
 {
     ImGuiContext& g = *GImGui;
@@ -8098,6 +8100,7 @@ static void ImGui::NavUpdateWindowing()
         g.NavDisableMouseHover = true;
         apply_focus_window = NavRestoreLastChildNavWindow(apply_focus_window);
         ClosePopupsOverWindow(apply_focus_window);
+        ClearActiveID();
         FocusWindow(apply_focus_window);
         if (apply_focus_window->NavLastIds[0] == 0)
             NavInitWindow(apply_focus_window, false);

3rdparty/dear-imgui/imgui.h

@@ -268,7 +268,7 @@ namespace ImGui
     IMGUI_API float         GetWindowHeight();                          // get current window height (shortcut for GetWindowSize().y)
     IMGUI_API ImVec2        GetContentRegionMax();                      // current content boundaries (typically window boundaries including scrolling, or current column boundaries), in windows coordinates
     IMGUI_API ImVec2        GetContentRegionAvail();                    // == GetContentRegionMax() - GetCursorPos()
-    IMGUI_API float         GetContentRegionAvailWidth();               //
+    IMGUI_API float         GetContentRegionAvailWidth();               // == GetContentRegionAvail().x
     IMGUI_API ImVec2        GetWindowContentRegionMin();                // content boundaries min (roughly (0,0)-Scroll), in window coordinates
     IMGUI_API ImVec2        GetWindowContentRegionMax();                // content boundaries max (roughly (0,0)+Size-Scroll) where Size can be override with SetNextWindowContentSize(), in window coordinates
     IMGUI_API float         GetWindowContentRegionWidth();              //